package com.example.demo.config;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * redis 序列化
 * @author 廖昊源
 * @date 2021/3/21
 */
@Configuration
@EnableCaching
public class RedisConfig {
    //    //编写我们自己的RedisTemplate
    @Bean
//@SuppressWarnings("all")
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        //为了开发方便RedisTemplate一般直接采用<String, Object> 类型
        RedisTemplate<String, Object> template = new RedisTemplate();
        template.setConnectionFactory(redisConnectionFactory);
        //序列化配置
        Jackson2JsonRedisSerializer<Object> Jackson2JsonRedisSerializer =new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        Jackson2JsonRedisSerializer.setObjectMapper(om);
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        //key采用string的序列化方式
        template.setKeySerializer(stringRedisSerializer);
        //hash的key也采用string的序列化方式
        template.setHashKeySerializer(stringRedisSerializer);
        //value序列化方式采用Jackson
        template.setValueSerializer(Jackson2JsonRedisSerializer);
        //hash的value序列化方式采用Jackson
        template.setHashValueSerializer(Jackson2JsonRedisSerializer);
        template.afterPropertiesSet();
        return template;
    }
}
